#!/usr/bin/perl

use MIME::Base64;

if(@ARGV < 1) {
    print STDERR "usage: rsc HOST CMD ARG...\n";
    exit 1;
}

if($ARGV[0] eq "-s") {
    if(!defined($ARGV[1])) {
	print STDERR "rsc: server side needs arguments\n";
	exit 1
    }
    $arg = decode_base64($ARGV[1]);
    $c = "";
    for (split /\n/, $arg) {
	chomp;
	s/\\(.)/$1/g;
	$c .= $_;
	if(/\\$/) {
	    $c =~ s/\\$/\n/;
	    next;
	}
	push @a, $c;
	$c = "";
    }
    for (@a) {
	exec @a;
	print STDERR "$a[0]: $!\n";
	exit 1;
    }
} else {
    $host = shift @ARGV;
    $arg = "";
    for (@ARGV) {
	s/([\\\n])/\\$1/g;
	$arg .= "$_\n";
    }
    $ea = encode_base64($arg);
    $ea =~ s/\n//g;
    if(-t STDIN) {
	push @sshopts, "-t";
    }
    push @sshopts, "-q";
    exec "ssh", @sshopts, "$host", "rsc", "-s", $ea;
    die "$!";
}